a pose that shows the dress nicely
i worked a few minutes to have her look very precisely at the camera
but i moved the camera (because it was behind the mirror)
and it ended with Aiko-in-the-mirror being the one who looks straight at the camera

2nd image has a better stare -

but it’s not 100% there yet.

I thought having the face almost facing the camera and having the eye’s axis point at the camera was enough.

I now suspect there’s more to it and will have to search painting/photography courses.

It took 107 minutes to render this 9999 samples in blender cycles GPU
Glossy materials and small light sources produce artifacts named ‘fireflies’, which require long render times to get rid of